Home / 32,622.64-48,921.44-13,890.80

Finding the Fourth Proportional to 32,622.64, 48,921.44 and 13,890.80

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Solution

The fourth proportional to 32,622.64, 48,921.44 and 13,890.80 is: 20,830.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,622.64 : 48,921.44 = 13,890.80 : x
  2. Step 2: Convert to fraction form
    32,622.64/48,921.44 = 13,890.80/x
  3. Step 3: Cross multiply
    32,622.64x = 48,921.44 × 13,890.80
  4. Step 4: Simplify right side
    32,622.64x = 679,557,938.75
  5. Step 5: Solve for x
    x = 679,557,938.75/32,622.64
  6. Step 6: Final answer
    x = 20,830.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.